Honeywell touchpoint pro Operating Manual page 76

POTENTIAL OPERATING ISSUES
Error Message
Code
49 Input channel cannot be de-
commissioned, because it is
used in the C&E logic. Please
remove the input channel first
from the corresponding output
channel C&E and retry the de-
commission operation.
50 Invalid calibration status.
51 Zero gas calibration failed - zero
signal too low.
52 Zero gas calibration failed - zero
signal too high.
53 Span gas calibration failed -
span signal too low.
54 Span gas calibration failed -
span signal too high.
55 Gas calibration failed - sensor
lifetime exceeded. The sensor
sensitivity has fallen to below
50% of its original value; please
replace the sensor.
Pt. No. 2400M2566_1_EN
Possible Cause Remedial Action
TPPR will not allow 1. Identify the output channel(s) that the input
the removal of an channel is linked to.
input from the Cause 2. Modify the Cause and Effect matrix for that
and Effect matrix channel to remove the input channel.
3. Retry the de-commissioning operation.
Channel requires 1. Please retry the operation.
calibration, or has not 2. If still unsuccessful, on the front panel, press
been successfully the Accept and Reset buttons together for 10 s,
calibrated which will restart the COB.
3. If the error has not cleared, if possible cycle
power to the system.
4. Contact your local Service Representative if
the problem persists.
The level at which the 1. For a mA channel, calibration should always
channel is trying to be done by forcing the output from the sensor
calibrate zero is where the facility exists. Check the configured
outside the limits on zero and span gas calibration and
configured limits ensure that the forced mA value is within the
limits.
2. For a mA channel where the sensor has no
facility to force the output, consult the
manufacturer's instructions and carry out a
calibration at the sensor.
3. For a mV channel, there may be a problem
with the sensor or the calibration gas. Consult
the manufacturer's instructions.
4. Contact your local Service Representative if
the problem persists.
The level at which the
channel is trying to
calibrate zero is ————————//————————
outside the
configured limits
The level at which the As above.
channel is trying to
calibrate span is If carrying out a cross calibration, check the
outside the calculated figure using the sensor
configured limits documentation.
The level at which the As above.
channel is trying to
calibrate span is If carrying out a cross calibration, check the
outside the calculated figure using the sensor
configured limits documentation.
TPPR monitors the 1. Contact your local service representative to
performance of mV schedule a sensor replacement.
sensors relative to 2. When the replacement sensor has been
their first span fitted, repeat calibration in accordance with the
calibration. If the gas instructions in chapter 6, using the 'First Span'
response falls below function.
50% of the original
value this error
occurs.
67
Sys Sys
Fail Fault
Relay Relay
Touchpoint Pro
Operating Manual